CN103676098B - Optical image capturing lens assembly - Google Patents

Abstract

The invention relates to an optical image capturing system lens assembly, which includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens in order from the object side to the image side. The first lens has refractive power. Its object-side surface is concave at the paraxial axis and changes from concave to convex from the paraxial axis to the periphery. Both its object-side surface and image-side surface are aspherical. The second lens has refractive power. The third lens has positive refractive power. The fourth lens has negative refractive power. The fifth lens has positive refractive power. Its object-side surface is convex at the paraxial axis, and its image-side surface is concave at the paraxial axis. There is a change from concave to convex from the paraxial to the periphery. Its object-side surface is convex. Both the surface and the image-side surface are aspherical. This can increase the field of view of the optical image capture system lens, correct distortion aberrations, and improve imaging quality.

Description

Optical Image Capture System Mirror Group

technical field

The present invention relates to an optical image capture system mirror group, and in particular to a miniaturized optical image capture system mirror group applied to electronic products.

Background technique

In recent years, with the rise of portable electronic products with photography functions, the demand for miniaturized optical mirrors has been increasing, and the photosensitive components of general optical mirrors are nothing more than charge coupled devices (ChargeCoupledDevice, CCD) or complementary oxidation There are two types of metal semiconductor components (ComplementaryMetal-OxideSemiconductorSensor, CMOSSensor), and with the advancement of semiconductor process technology, the pixel size of the photosensitive component is reduced, and the miniaturized optical mirror group is gradually developing into the high-pixel field. Therefore, the requirements for imaging quality are also increasing. increasing day by day.

Traditional miniaturized optical mirrors mounted on portable electronic products, as shown in US Patent No. 8,179,470, mostly use a four-piece lens structure. The prevalence of devices has led to the rapid increase in pixel and imaging quality of miniaturized optical mirror groups. The conventional four-piece optical mirror group will not be able to meet higher-level optical mirror groups.

Although there is a further development of the five-piece optical lens group at present, as disclosed in U.S. Patent No. 8,000,031, it is an optical lens group with five lenses, but the object-side surface of the first lens is not designed to have an enlarged field of view. The concave surface limits the overall field of view, and the lens surface design cannot effectively correct distortion (Distortion) aberrations, so it is easy to cause image distortion and affect image quality.

Contents of the invention

The present invention provides an optical image capture system mirror group. The object-side surface of the first lens is configured as a concave surface, which is beneficial to improve the viewing angle of the optical image capture system mirror group. The object-side surface of the first lens changes from a concave surface to a convex surface from the near optical axis to the periphery, so that the significantly aspherical shape can correct the distortion aberration caused by the increase of the viewing angle, so as to avoid image distortion. The surface of the image side of the fifth lens changes from a concave surface to a convex surface from the near optical axis to the periphery, so that the angle at which the peripheral light is incident on the imaging surface can be corrected, and an appropriate angle can avoid excessive decline of Relative Illumination (RI) and improve image quality.

One aspect of the present invention provides an optical image capture system lens group, which sequentially includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side. The first lens has refractive power. The object-side surface is concave at the near optical axis and changes from concave to convex from the near optical axis to the periphery. Both the object-side surface and the image-side surface are aspherical. The second lens has refractive power. The third lens has positive refractive power. The fourth lens has negative refractive power. The fifth lens has positive refractive power, its object side surface is convex at the near optical axis, the image side surface is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery. Both the surface and the image side surface are aspherical.

Another aspect of the present invention provides an optical image capture system lens group, which sequentially includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side. The first lens has refractive power, its object-side surface is concave at the near optical axis, and both its object-side surface and image-side surface are aspherical. The second lens has refractive power. The third lens has positive refractive power. The fourth lens has negative refractive power. The fifth lens has positive refractive power, its object side surface is convex at the near optical axis, the image side surface is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery. Both the surface and the image side surface are aspherical. Wherein, the optical effective radius of the object-side surface of the first lens is Y11, and the optical effective radius of the image-side surface of the fifth lens is Y52, which satisfy the following conditions:

0.7<|Y11/Y52|<1.2.

Yet another aspect of the present invention is to provide an optical image capturing system lens group, which sequentially includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side. The first lens has refractive power. The object-side surface is concave at the near optical axis and changes from concave to convex from the near optical axis to the periphery. Both the object-side surface and the image-side surface are aspherical. The second lens has refractive power. The third lens has positive refractive power. The fourth lens has negative refractive power. The fifth lens has positive refractive power, its object side surface is convex at the near optical axis, the image side surface is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery. Both the surface and the image side surface are aspherical. Wherein, on the object-side surface of the first lens, except the intersection point with the optical axis, the tangent plane of the object-side surface perpendicular to the optical axis, the tangent point between the tangent plane and the object-side surface, the vertical distance between the tangent point and the optical axis is Yc11 , the horizontal distance between the tangent point and the intersection point of the object-side surface at the optical axis is SAGc11; on the image-side surface of the fifth lens, except for the intersection point with the optical axis, the tangent plane of the image-side surface perpendicular to the optical axis, the tangent plane and the image-side surface The tangent point on the surface, the vertical distance between the tangent point and the optical axis is Yc52, the horizontal distance between the tangent point and the intersection of the image side surface and the optical axis is SAGc52, where SAGc11/Yc11 is the tangent value of angle θ ₁ tanθ ₁ , SAGc52/ Yc52 is the tangent tanθ ₂ of the angle θ ₂ , which satisfies the following conditions:

0<tanθ ₁ <0.3; and

0<tanθ ₂ <0.5.

When the Y11/Y52 meets the above conditions, it can properly adjust the required field of view and reduce image distortion, and can correct the incident angle of peripheral light on the imaging surface to improve the imaging quality.

When tanθ ₁ satisfies the above conditions, the object-side surface of the first lens has a significant change, which can correct the distortion aberration caused by the increase of the viewing angle, so as to avoid image distortion.

When tanθ ₂ satisfies the above conditions, the image-side surface of the fifth lens has a significant change, which can correct the angle of incident peripheral light on the imaging surface. An appropriate angle can avoid excessive degradation of relative illuminance (RI) and improve imaging quality.

Description of drawings

In order to make the above and other objects, features, advantages and embodiments of the present invention more comprehensible, the accompanying drawings are provided, in which:

FIG. 1 is a schematic diagram of a lens group of an optical image capture system according to a first embodiment of the present invention.

FIG. 2 is a graph showing the spherical aberration, astigmatism and distortion curves of the lens group of the optical image capture system of the first embodiment in order from left to right.

FIG. 3 is a schematic diagram of a mirror group of an optical image capture system according to a second embodiment of the present invention.

FIG. 4 is a graph showing the spherical aberration, astigmatism and distortion curves of the lens group of the optical image capture system of the second embodiment in sequence from left to right.

FIG. 5 is a schematic diagram of a lens group of an optical image capture system according to a third embodiment of the present invention.

FIG. 6 is a graph showing the spherical aberration, astigmatism and distortion curves of the lens group of the optical image capture system of the third embodiment in order from left to right.

FIG. 7 is a schematic diagram of a mirror group of an optical image capture system according to a fourth embodiment of the present invention.

FIG. 8 is a diagram of the spherical aberration, astigmatism and distortion curves of the lens group of the optical image capture system of the fourth embodiment in sequence from left to right.

FIG. 9 is a schematic diagram of a lens group of an optical image capturing system according to a fifth embodiment of the present invention.

FIG. 10 is the graphs of spherical aberration, astigmatism and distortion of the optical image capture system lens group of the fifth embodiment in order from left to right.

FIG. 11 is a schematic diagram of a mirror group of an optical image capture system according to a sixth embodiment of the present invention.

FIG. 12 is a graph of spherical aberration, astigmatism and distortion of the lens group of the optical image capture system of the sixth embodiment in order from left to right.

FIG. 13 is a schematic diagram of a lens group of an optical image capturing system according to a seventh embodiment of the present invention.

Fig. 14 is, from left to right, graphs of spherical aberration, astigmatism and distortion of the lens group of the optical image capture system of the seventh embodiment.

FIG. 15 is a schematic diagram of a mirror group of an optical image capture system according to an eighth embodiment of the present invention.

FIG. 16 is a graph showing the spherical aberration, astigmatism and distortion curves of the lens group of the optical image capture system of the eighth embodiment in order from left to right.

FIG. 17 is a schematic diagram of a mirror group of an optical image capture system according to a ninth embodiment of the present invention.

FIG. 18 is a graph showing the spherical aberration, astigmatism and distortion curves of the lens group of the optical image capture system of the ninth embodiment in order from left to right.

FIG. 19 is a schematic diagram of the first lens parameter Y11 in the lens group of the optical image capture system according to the first embodiment of the present invention.

FIG. 20 is a schematic diagram of the fifth lens parameter Y52 in the lens group of the optical image capture system according to the first embodiment of the present invention.

FIG. 21 is a schematic diagram of the first lens parameters Yc11 and SAGc11 in the lens group of the optical image capture system according to the first embodiment of the present invention.

FIG. 22 is a schematic diagram of fifth lens parameters Yc52 and SAGc52 in the lens group of the optical image capture system according to the first embodiment of the present invention.

detailed description

The present invention provides an optical image capture system lens group, which sequentially includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side.

The first lens can have positive refractive power, the object-side surface is concave at the near optical axis, and the image-side surface is convex at the near optical axis, which is beneficial to improve the viewing angle of the optical image capture system lens group. Furthermore, the object-side surface of the first lens changes from a concave surface to a convex surface from the near optical axis to the periphery, thereby correcting the distortion and aberration caused by the increase of the viewing angle to avoid image distortion.

The third lens has positive refractive power, and its image-side surface can be convex at the near optical axis. Therefore, the third lens can provide the main positive refractive power required by the lens group of the optical image capturing system, so as to properly adjust and shorten its total length.

The fourth lens has negative refractive power, the object side surface can be concave at the near optical axis, and the image side surface can be convex at the near optical axis. Therefore, the fourth lens can correct the aberration and astigmatism generated by the lens group of the optical image capturing system.

The fifth lens can have a positive refractive power, its object side surface is convex at the near optical axis, and the image side surface is concave at the near optical axis, so that the principal point (Principal Point) of the optical image capture system mirror group can be far away from the imaging surface , which is beneficial to shorten the total length of the mirror group of the optical image capture system. Further, the image-side surface of the fifth lens changes from a concave surface to a convex surface from the near optical axis to the periphery, so that the angle at which the peripheral light is incident on the imaging surface can be corrected, and an appropriate angle can avoid the relative illuminance (RI) excessive decline and Improve image quality.

On the image-side surface of the fifth lens, except for the intersection point with the optical axis, the tangent plane of the image-side surface perpendicular to the optical axis, the tangent point between the tangent plane and the image-side surface, the vertical distance between the tangent point and the optical axis is Yc52, the first The optical effective radius of the image-side surface of the five lenses is Y52, which satisfies the following condition: 0.60<|Yc52/Y52|≤1.0. Thus, the aberrations of the central field of view and the off-axis field of view can be well corrected.

The focal length of the lens group of the optical image capture system is f, the focal length of the first lens is f1, and the focal length of the second lens is f2, which satisfy the following condition: 0<|f/f1|+|f/f2|<0.8. Therefore, the refractive power of the first lens and the second lens is more appropriate, which helps to shorten the total length of the optical image lens system group and correct its aberrations.

The optical effective radius of the object-side surface of the first lens is Y11, and the optical effective radius of the image-side surface of the fifth lens is Y52, which satisfy the following condition: 0.7<|Y11/Y52|<1.2. Therefore, the required field of view angle can be properly adjusted, image distortion can be reduced, and the angle at which peripheral light is incident on the imaging surface can be corrected, so as to improve the imaging quality.

The radius of curvature of the image-side surface of the third lens is R6, and the thickness of the third lens on the optical axis is CT3, which satisfies the following condition: -1.3<R6/CT3<-0.50. Therefore, it is helpful to shorten the total length of the lens, and adjust the thickness of the lens appropriately, so as to facilitate the production and molding of the lens.

On the object-side surface of the first lens, except the intersection point with the optical axis, the tangent plane of the object-side surface perpendicular to the optical axis, the tangent point between the tangent plane and the object-side surface, the vertical distance between the tangent point and the optical axis is Yc11, the first The optical effective radius of the object-side surface of a lens is Y11, which satisfies the following condition: 0.55<|Yc11/Y11|≤1.0. Therefore, it is beneficial to improve the viewing angle of the lens assembly, and at the same time, the distortion aberration can be corrected to avoid image distortion.

On the object-side surface of the first lens, except the intersection with the optical axis, the tangent plane of the object-side surface perpendicular to the optical axis, the tangent point between the tangent plane and the object-side surface, the vertical distance between the tangent point and the optical axis is Yc11, the The horizontal distance between the tangent point and the intersection point of the object-side surface on the optical axis is SAGc11, where SAGc11/Yc11 is the tangent tanθ ₁ of the angle θ ₁ , which satisfies the following conditions: 0<tanθ ₁ <0.30. Therefore, the object-side surface of the first lens has a relatively significant change, which can correct the distortion aberration caused by the increase of the viewing angle, so as to avoid image deformation and distortion.

The dispersion coefficient of the third lens is V3, and the dispersion coefficient of the fourth lens is V4, which satisfy the following condition: 25.0<V3-V4<48.0. Therefore, it is helpful to correct the chromatic aberration of the lens group of the optical image capturing system. Preferably, the following condition can be satisfied: 32.0<V3-V4<48.0.

The maximum viewing angle of the lens group of the optical image capture system is FOV, which satisfies the following conditions: 80 degrees<FOV<115 degrees. Therefore, the lens group of the optical image capturing system can have a relatively large viewing angle.

The maximum distortion rate (%) in the imaging range of the optical image capture system lens group is Dist_max, which satisfies the following condition: |Dist_max|<3%. Therefore, the lens group of the optical image capture system has relatively low distortion aberration, which can avoid image distortion.

On the object-side surface of the first lens, except the intersection with the optical axis, the tangent plane of the object-side surface perpendicular to the optical axis, the tangent point between the tangent plane and the object-side surface, the vertical distance between the tangent point and the optical axis is Yc11, the The horizontal distance between the tangent point and the intersection point of the object-side surface at the optical axis is SAGc11; on the image-side surface of the fifth lens, except for the intersection point with the optical axis, the tangent plane of the image-side surface perpendicular to the optical axis, the tangent plane and the image-side surface The tangent point, the vertical distance between the tangent point and the optical axis is Yc52, the horizontal distance between the tangent point and the image side surface at the intersection of the optical axis is SAGc52, where SAGc11/Yc11 is the tangent value tanθ ₁ of the angle θ ₁ , and SAGc52/Yc52 is The tangent tanθ ₂ of the angle θ ₂ satisfies the following condition: tanθ ₁ <tanθ ₂ . Therefore, the required viewing angle can be properly adjusted and image distortion can be reduced, and the aberrations of the central viewing field and the off-axis viewing field can be well corrected to improve the imaging quality.

The radius of curvature of the object-side surface of the first lens is Ro1, the radius of curvature of the image-side surface of the first lens is Ri1, the radius of curvature of the object-side surface of the second lens is Ro2, and the radius of curvature of the image-side surface of the second lens is Ri2. The radius of curvature of the object side surface of the lens is Ro3, the curvature radius of the image side surface of the third lens is Ri3, the curvature radius of the object side surface of the fourth lens is Ro4, the curvature radius of the image side surface of the fourth lens is Ri4, and the fifth lens object The radius of curvature of the side surface is Ro5, and the radius of curvature of the fifth lens image side surface is Ri5, which satisfies the following conditions: 0<Ro1/Ri1, 0<Ro2/Ri2, 0<Ro3/Ri3, 0<Ro4/Ri4, and 0<Ro5/Ri5. Therefore, it is beneficial to correct the astigmatism of the system to improve the imaging quality.

On the image side surface of the fifth lens, except for the intersection point with the optical axis, the tangent plane of the image side surface perpendicular to the optical axis, the tangent point between the tangent plane and the image side surface, the vertical distance between the tangent point and the optical axis is Yc52, the The horizontal distance between the tangent point and the intersection point of the image side surface on the optical axis is SAGc52, where SAGc52/Yc52 is the tangent value tanθ ₂ of the angle θ ₂ , which satisfies the following conditions: 0<tanθ ₂ <0.5. Therefore, the image-side surface of the fifth lens has significant changes, which can correct the angle of incident peripheral light on the imaging surface, and an appropriate angle can avoid excessive degradation of relative illuminance (RI) and improve imaging quality.

In the lens group of the optical image capturing system provided by the present invention, the material of the lens can be plastic or glass. When the lens is made of plastic, the production cost can be effectively reduced. In addition, when the material of the lens is glass, the degree of freedom in the configuration of the refractive power of the mirror group of the optical image capture system can be increased. In addition, the object-side surfaces and image-side surfaces of the first lens to the fifth lens in the optical image capture system lens group are all aspheric surfaces, and the aspheric surfaces can be easily made into shapes other than spherical surfaces to obtain more control variables for use in The aberration is reduced, thereby reducing the number of lenses used, so the total length of the lens group of the optical image capture system of the present invention can be effectively reduced.

Furthermore, the present invention provides an optical image capture system lens group, if the lens surface is convex, it means that the lens surface is convex at the near optical axis; if the lens surface is concave, it means that the lens surface is concave at the near optical axis .

In addition, in the lens group of the optical image capture system of the present invention, at least one aperture can be provided according to requirements to reduce stray light and improve image quality.

In the lens group of the optical image capture system of the present invention, the aperture configuration can be a front aperture or a middle aperture, wherein the front aperture means that the aperture is set between the subject and the first lens, and the middle aperture means that the aperture is set at the first lens. Between a lens and the imaging plane. If the aperture is a front aperture, the exit pupil (ExitPupil) of the optical image capture system mirror group and the imaging surface can have a longer distance, so that it has a telecentric (Telecentric) effect, and can increase the CCD of the image sensor component Or the efficiency of CMOS receiving images; if it is a central aperture, it will help expand the field of view of the system, so that the optical image capture system mirror group has the advantage of a wide-angle lens.

According to the above implementation manners, specific embodiments are proposed below and described in detail with reference to the accompanying drawings.

<First embodiment>

Referring to FIG. 1 and FIG. 2, FIG. 1 shows a schematic diagram of an optical image capture system lens group according to the first embodiment of the present invention, and FIG. 2 shows the optical image capture of the first embodiment in sequence from left to right. Spherical aberration, astigmatism and distortion curves of the system lens group. It can be seen from FIG. 1 that the lens group of the optical image capture system of the first embodiment includes a first lens 110, a second lens 120, a diaphragm 100, a third lens 130, a fourth lens 140, and a first lens 110 from the object side to the image side. Five lenses 150 , an infrared filter (IRFilter) 170 and an imaging surface 160 .

The first lens 110 is made of plastic and has positive refractive power. The object-side surface 111 of the first lens 110 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and the image-side surface 112 is convex at the near optical axis, and both are aspherical. .

The second lens 120 is made of plastic and has negative refractive power. The object-side surface 121 of the second lens 120 is concave, and the image-side surface 122 is convex, both of which are aspherical.

The third lens 130 is made of plastic and has positive refractive power. The object-side surface 131 of the third lens 130 at the near optical axis and the image-side surface 132 at the near optical axis are both convex and aspherical.

The fourth lens 140 is made of plastic and has negative refractive power. The object-side surface 141 of the fourth lens 140 is concave at the near optical axis, and the image-side surface 142 is convex at the near optical axis, both of which are aspherical.

The fifth lens 150 is made of plastic and has positive refractive power. The object-side surface 151 of the fifth lens 150 is convex at the near optical axis, and the image-side surface 152 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 170 is glass, which is disposed between the fifth lens 150 and the imaging surface 160 , and does not affect the focal length of the lens group of the optical image capturing system.

The curve equations of the aspheric surfaces of the above-mentioned lenses are expressed as follows:

$\mathrm{<span\; class="notranslate">\; x</span>}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; Y</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span><span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; Y</span>}}^{\mathrm{<span\; class="notranslate">\; 2</span>}}<span\; class="notranslate">\; /</span>\mathrm{<span\; class="notranslate">\; R</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; /</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; sqrt</span>}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; k</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; \&times;</span>{<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; Y</span>}<span\; class="notranslate">\; /</span>\mathrm{<span\; class="notranslate">\; R</span>}<span\; class="notranslate">\; )</span>}^{\mathrm{<span\; class="notranslate">\; 2</span>}}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; )</span><span\; class="notranslate">\; +</span>{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; Ai</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; \&times;</span><span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; Y</span>}}^{\mathrm{<span\; class="notranslate">\; i</span>}}<span\; class="notranslate">\; )</span>$

in:

X: The point on the aspheric surface whose distance from the optical axis is Y, and its relative height to the tangent plane of the vertex on the optical axis tangent to the aspherical surface;

Y: the distance between the point on the aspheric curve and the optical axis;

R: radius of curvature;

k: cone coefficient; and

Ai: i-th order aspherical coefficient.

In the optical image capture system mirror group of the first embodiment, the focal length of the optical image capture system mirror group is f, the aperture value (f-number) of the optical image capture system mirror group is Fno, and the optical image capture system mirror Half of the maximum viewing angle in the group was HFOV, f=1.35 mm; Fno=2.30; and HFOV=48.1 degrees.

In the lens group of the optical image capturing system of the first embodiment, the dispersion coefficient of the third lens 130 is V3, and the dispersion coefficient of the fourth lens 140 is V4, which satisfy the following condition: V3-V4=32.6.

In the lens group of the optical image capturing system of the first embodiment, the radius of curvature of the image-side surface 132 of the third lens 130 is R6, and the thickness of the third lens 130 on the optical axis is CT3, which satisfies the following conditions: R6/CT3= -0.86.

In the optical image capture system mirror group of the first embodiment, the focal length of the optical image capture system mirror group is f, the focal length of the first lens 110 is f1, and the focal length of the second lens 120 is f2, which satisfy the following conditions: |f/f1+|f/f2|=0.35.

Referring to FIG. 19 and FIG. 20 together, FIG. 19 is a schematic diagram of the parameter Y11 of the first lens 110 in the mirror group of the optical image capture system according to the first embodiment of the present invention, and FIG. 20 is a schematic diagram of the parameter Y11 according to the first embodiment of the present invention. A schematic diagram of the parameter Y52 of the fifth lens 150 in the lens group of the optical image capturing system of the example. It can be seen from FIGS. 19 and 20 that the optical effective radius of the object-side surface 111 of the first lens 110 is Y11, and the optical effective radius of the image-side surface 152 of the fifth lens 150 is Y52. It satisfies the following condition: |Y11/Y52|=0.93.

In the lens group of the optical image capturing system of the first embodiment, on the object-side surface 111 of the first lens 110, except for the intersection point with the optical axis, the tangent plane of the object-side surface 111 perpendicular to the optical axis, the tangent plane and the object-side surface 111, the vertical distance between the tangent point and the optical axis is Yc11, and the optical effective radius of the object-side surface 111 of the first lens 110 is Y11, which satisfies the following condition: |Yc11/Y11|=0.68.

With reference to FIG. 21 , it is a schematic diagram illustrating the parameters Yc11 and SAGc11 of the first lens 110 in the lens group of the optical image capture system according to the first embodiment of the present invention. It can be seen from FIG. 21 that on the object-side surface 111 of the first lens 110, except for the intersection with the optical axis, the tangent plane of the object-side surface 111 perpendicular to the optical axis, the tangent point between the tangent plane and the object-side surface 111, and the tangent point and The vertical distance of the optical axis is Yc11, and the horizontal distance between the tangent point and the object-side surface 111 at the intersection of the optical axis is SAGc11, thus, the tangent value (Tangent) of the angle θ ₁ (Tangent) tanθ ₁ =SAGc11/Yc11 can be defined, and satisfy The following conditions: tanθ ₁ =0.083.

Referring to FIG. 22 , it is a schematic diagram of the parameters Yc52 and SAGc52 of the fifth lens 150 in the lens group of the optical image capture system according to the first embodiment of the present invention. As can be seen from FIG. 22, on the image-side surface 152 of the fifth lens 150, except for the intersection point with the optical axis, the tangent plane of the image-side surface 152 perpendicular to the optical axis, the tangent point of the tangent plane and the image-side surface 152, and the tangent point of the image-side surface 152 are The vertical distance of the optical axis is Yc52, and the horizontal distance between the tangent point and the image-side surface 152 at the intersection of the optical axis is SAGc52, thus, the tangent value (Tangent) of the angle θ2 (Tangent) _tanθ2 = _SAGc52 /Yc52 can be defined, and satisfy The following conditions: tanθ ₂ =0.198.

In the optical image capture system lens group of the first embodiment, the maximum value of the distortion in the imaging range of the optical image capture system lens group is Dist_max, which satisfies the following condition: |Dist_max|=1.73%.

In the mirror group of the optical image capture system of the first embodiment, the maximum viewing angle of the mirror group of the optical image capture system is FOV, which satisfies the following condition: FOV=96.2 degrees.

Then refer to Table 1 and Table 2 below.

Table 1 shows the detailed structural data of the first embodiment in FIG. 1 , where the units of the radius of curvature, thickness and focal length are mm, and surfaces 0-14 represent surfaces from the object side to the image side in sequence. Table 2 shows the aspheric surface data in the first embodiment, wherein k represents the cone coefficient in the aspheric curve equation, and A1-A16 represent the 1st-16th order aspheric coefficients of each surface. In addition, the tables of the following embodiments are schematic diagrams and aberration curve diagrams corresponding to the respective embodiments, and the definitions of the data in the tables are the same as those in Table 1 and Table 2 of the first embodiment, and will not be repeated here.

<Second Embodiment>

Referring to FIG. 3 and FIG. 4 , wherein FIG. 3 shows a schematic diagram of a mirror group of an optical image capture system according to the second embodiment of the present invention, and FIG. 4 shows the optical image capture of the second embodiment in sequence from left to right. Spherical aberration, astigmatism and distortion curves of the system lens group. It can be seen from FIG. 3 that the lens group of the optical image capture system of the second embodiment includes a first lens 210, a second lens 220, an aperture 200, a third lens 230, a fourth lens 240, and a first lens 210 from the object side to the image side. Five lenses 250 , an infrared filter (IRFilter) 270 and an imaging surface 260 .

The first lens 210 is made of plastic and has positive refractive power. The object-side surface 211 of the first lens 210 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and the image-side surface 212 is convex at the near optical axis, and both are aspherical. .

The second lens 220 is made of plastic and has negative refractive power. The object-side surface 221 of the second lens 220 is concave, and the image-side surface 222 is convex, both of which are aspherical.

The third lens 230 is made of plastic and has positive refractive power. The object-side surface 231 of the third lens 230 is concave at the near optical axis, and the image-side surface 232 is convex at the near optical axis, both of which are aspherical.

The fourth lens 240 is made of plastic and has negative refractive power. The object-side surface 241 of the fourth lens 240 is concave at the near optical axis, and the image-side surface 242 is convex at the near optical axis, both of which are aspherical.

The fifth lens 250 is made of plastic and has positive refractive power. The object-side surface 251 of the fifth lens 250 is convex at the near optical axis, and the image-side surface 252 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 270 is glass, which is disposed between the fifth lens 250 and the imaging surface 260 , and does not affect the focal length of the lens group of the optical image capturing system.

Please refer to Table 3 and Table 4 below.

In the second embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tanθ ₁ , tanθ ₂ and FOV are the same as those in the first embodiment. To repeat.

According to Table 3, the following data can be deduced:

<Third embodiment>

Referring to FIG. 5 and FIG. 6, FIG. 5 shows a schematic diagram of an optical image capture system lens group according to the third embodiment of the present invention, and FIG. 6 shows the optical image capture of the third embodiment in sequence from left to right. Spherical aberration, astigmatism and distortion curves of the system lens group. As can be seen from FIG. 5 , the lens group of the optical image capture system of the third embodiment includes a first lens 310, a second lens 320, a diaphragm 300, a third lens 330, a fourth lens 340, and a first lens 310 from the object side to the image side. Five lenses 350 , an infrared filter (IRFilter) 370 and an imaging surface 360 .

The first lens 310 is made of plastic and has positive refractive power. The object-side surface 311 of the first lens 310 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and the image-side surface 312 is convex at the near optical axis, and both are aspherical. .

The second lens 320 is made of plastic and has positive refractive power. The object-side surface 321 of the second lens 320 is concave, and the image-side surface 322 is convex, both of which are aspherical.

The third lens 330 is made of plastic and has positive refractive power. The object-side surface 331 of the third lens 330 at the near optical axis and the image-side surface 332 at the near optical axis are both convex and aspheric.

The fourth lens 340 is made of plastic and has negative refractive power. The object-side surface 341 of the fourth lens 340 is concave at the near optical axis, and the image-side surface 342 is convex at the near optical axis, both of which are aspherical.

The fifth lens 350 is made of plastic and has positive refractive power. The object-side surface 351 of the fifth lens 350 is convex at the near optical axis, and the image-side surface 352 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 370 is glass, which is disposed between the fifth lens 350 and the imaging surface 360 , and does not affect the focal length of the lens group of the optical image capturing system.

Please refer to Table 5 and Table 6 below.

In the third embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tanθ ₁ , tanθ ₂ and FOV are the same as those in the first embodiment. To repeat.

According to Table 5, the following data can be deduced:

<Fourth Embodiment>

Referring to FIG. 7 and FIG. 8, FIG. 7 shows a schematic diagram of an optical image capture system lens group according to the fourth embodiment of the present invention, and FIG. 8 shows the optical image capture of the fourth embodiment from left to right. Spherical aberration, astigmatism and distortion curves of the system lens group. It can be seen from FIG. 7 that the lens group of the optical image capture system of the fourth embodiment includes a first lens 410, a second lens 420, a diaphragm 400, a third lens 430, a fourth lens 440, and a first lens 410 from the object side to the image side. Five lenses 450 , an infrared filter (IRFilter) 470 and an imaging surface 460 .

The first lens 410 is made of plastic and has positive refractive power. The object-side surface 411 of the first lens 410 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery. The image-side surface 412 is convex at the near optical axis, and both are aspherical. .

The second lens 420 is made of plastic and has positive refractive power. The object-side surface 421 of the second lens 420 is concave, and the image-side surface 422 is convex, both of which are aspherical.

The third lens 430 is made of glass and has positive refractive power. The object-side surface 431 of the third lens 430 is concave at the near optical axis, and the image-side surface 432 is convex at the near optical axis, both of which are aspherical.

The fourth lens 440 is made of plastic and has negative refractive power. The object-side surface 441 of the fourth lens 440 is concave at the near optical axis, and the image-side surface 442 is convex at the near optical axis, both of which are aspherical.

The fifth lens 450 is made of plastic and has positive refractive power. The object-side surface 451 of the fifth lens 450 is convex at the near optical axis, and the image-side surface 452 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 470 is glass, which is disposed between the fifth lens 450 and the imaging surface 460 , and does not affect the focal length of the mirror group of the optical image capturing system.

Please refer to Table 7 and Table 8 below.

In the fourth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tanθ ₁ , tanθ ₂ and FOV are the same as those in the first embodiment. To repeat.

According to Table 7, the following data can be deduced:

<Fifth Embodiment>

Referring to FIG. 9 and FIG. 10, FIG. 9 shows a schematic diagram of an optical image capture system lens group according to the fifth embodiment of the present invention, and FIG. 10 shows the optical image capture of the fifth embodiment in sequence from left to right. Spherical aberration, astigmatism and distortion curves of the system lens group. As can be seen from FIG. 9 , the lens group of the optical image capture system of the fifth embodiment includes a first lens 510, a second lens 520, a diaphragm 500, a third lens 530, a fourth lens 540, and a first lens in sequence from the object side to the image side. Five lenses 550 , an infrared filter (IRFilter) 570 and an imaging surface 560 .

The first lens 510 is made of plastic and has positive refractive power. The object-side surface 511 of the first lens 510 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and the image-side surface 512 is convex at the near optical axis, and both are aspherical. .

The second lens 520 is made of plastic and has negative refractive power. Both the object-side surface 521 and the image-side surface 522 of the second lens 520 are concave and aspherical.

The third lens 530 is made of plastic and has positive refractive power. The object-side surface 531 of the third lens 530 at the near optical axis and the image-side surface 532 at the near optical axis are both convex and aspherical.

The fourth lens 540 is made of plastic and has negative refractive power. The object-side surface 541 of the fourth lens 540 is concave at the near optical axis, and the image-side surface 542 is convex at the near optical axis, both of which are aspherical.

The fifth lens 550 is made of plastic and has positive refractive power. The object-side surface 551 of the fifth lens 550 is convex at the near optical axis, and the image-side surface 552 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 570 is glass, which is disposed between the fifth lens 550 and the imaging surface 560, and does not affect the focal length of the lens group of the optical image capturing system.

Please refer to Table 9 and Table 10 below.

In the fifth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tanθ ₁ , tanθ ₂ and FOV are the same as those in the first embodiment. To repeat.

According to Table 9, the following data can be deduced:

<Sixth Embodiment>

Referring to FIG. 11 and FIG. 12 , wherein FIG. 11 shows a schematic diagram of an optical image capture system lens group according to the sixth embodiment of the present invention, and FIG. 12 shows the optical image capture of the sixth embodiment in sequence from left to right. Spherical aberration, astigmatism and distortion curves of the system lens group. It can be seen from FIG. 11 that the lens group of the optical image capture system of the sixth embodiment includes a first lens 610, a second lens 620, an aperture 600, a third lens 630, a fourth lens 640, and a first lens 610 from the object side to the image side. Five lenses 650 , an infrared filter (IRFilter) 670 and an imaging surface 660 .

The first lens 610 is made of plastic and has positive refractive power. The object-side surface 611 of the first lens 610 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery. The image-side surface 612 is convex at the near optical axis, and both are aspherical. .

The second lens 620 is made of plastic and has positive refractive power. The object-side surface 621 of the second lens 620 is concave, and the image-side surface 622 is convex, both of which are aspherical.

The third lens 630 is made of plastic and has positive refractive power. The object-side surface 631 of the third lens 630 at the near optical axis and the image-side surface 632 at the near optical axis are both convex and aspheric.

The fourth lens 640 is made of plastic and has negative refractive power. The object-side surface 641 of the fourth lens 640 is concave at the near optical axis, and the image-side surface 642 is convex at the near optical axis, both of which are aspherical.

The fifth lens 650 is made of plastic and has positive refractive power. The object-side surface 651 of the fifth lens 650 is convex at the near optical axis, and the image-side surface 652 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 670 is glass, which is disposed between the fifth lens 650 and the imaging surface 660 and does not affect the focal length of the optical image capturing system mirror group.

Please refer to Table 11 and Table 12 below.

In the sixth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tanθ ₁ , tanθ ₂ and FOV are the same as those in the first embodiment. To repeat.

According to Table 11, the following data can be deduced:

<Seventh Embodiment>

Referring to FIG. 13 and FIG. 14 , wherein FIG. 13 shows a schematic diagram of an optical image capture system lens group according to the seventh embodiment of the present invention, and FIG. 14 shows the optical image capture of the seventh embodiment in sequence from left to right Spherical aberration, astigmatism and distortion curves of the system lens group. It can be seen from FIG. 13 that the lens group of the optical image capture system of the seventh embodiment includes a first lens 710, a second lens 720, an aperture 700, a third lens 730, a fourth lens 740, and a first lens 710 from the object side to the image side. Five lenses 750 , an infrared filter (IRFilter) 770 and an imaging surface 760 .

The first lens 710 is made of plastic and has positive refractive power. The object-side surface 711 of the first lens 710 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and the image-side surface 712 is convex at the near optical axis, and both are aspherical. .

The second lens 720 is made of plastic and has negative refractive power. The object-side surface 721 of the second lens 720 is concave, and the image-side surface 722 is convex, both of which are aspherical.

The third lens 730 is made of glass and has positive refractive power. The object-side surface 731 of the third lens 730 at the near optical axis and the image-side surface 732 at the near optical axis are both convex and aspheric.

The fourth lens 740 is made of plastic and has negative refractive power. The object-side surface 741 of the fourth lens 740 is concave at the near optical axis, and the image-side surface 742 is convex at the near optical axis, both of which are aspherical.

The fifth lens 750 is made of plastic and has positive refractive power. The object-side surface 751 of the fifth lens 750 is convex at the near optical axis, and the image-side surface 752 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 770 is glass, which is disposed between the fifth lens 750 and the imaging surface 760 and does not affect the focal length of the optical image capturing system mirror group.

Please refer to Table 13 and Table 14 below.

In the seventh embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tanθ ₁ , tanθ ₂ and FOV are the same as those in the first embodiment. To repeat.

According to Table 13, the following data can be deduced:

<Eighth embodiment>

Referring to FIG. 15 and FIG. 16 , wherein FIG. 15 shows a schematic diagram of an optical image capture system lens group according to the eighth embodiment of the present invention, and FIG. 16 shows the optical image capture of the eighth embodiment from left to right. Spherical aberration, astigmatism and distortion curves of the system lens group. As can be seen from FIG. 15 , the lens group of the optical image capture system of the eighth embodiment includes a first lens 810, a second lens 820, an aperture 800, a third lens 830, a fourth lens 840, and a first lens 810 from the object side to the image side. Five lenses 850 , an infrared filter (IRFilter) 870 and an imaging surface 860 .

The first lens 810 is made of plastic and has positive refractive power. The object-side surface 811 of the first lens 810 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery. The image-side surface 812 is convex at the near optical axis, and both are aspherical. .

The second lens 820 is made of plastic and has negative refractive power. Both the object-side surface 821 and the image-side surface 822 of the second lens 820 are concave and aspherical.

The third lens 830 is made of plastic and has positive refractive power. The object-side surface 831 of the third lens 830 is concave at the near optical axis, and the image-side surface 832 is convex at the near optical axis, both of which are aspherical.

The fourth lens 840 is made of plastic and has negative refractive power. The object-side surface 841 of the fourth lens 840 is concave at the near optical axis, and the image-side surface 842 is convex at the near optical axis, both of which are aspherical.

The fifth lens 850 is made of plastic and has positive refractive power. The object-side surface 851 of the fifth lens 850 is convex at the near optical axis, and the image-side surface 852 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 870 is glass, which is disposed between the fifth lens 850 and the imaging surface 860, and does not affect the focal length of the optical image capturing system lens group.

Cooperate with reference to the following Table 15 and Table 16.

In the eighth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tanθ ₁ , tanθ ₂ and FOV are the same as those in the first embodiment. To repeat.

According to Table 15, the following data can be deduced:

<Ninth Embodiment>

Referring to FIG. 17 and FIG. 18 , wherein FIG. 17 shows a schematic diagram of an optical image capture system lens group according to the ninth embodiment of the present invention, and FIG. 18 shows the optical image capture of the ninth embodiment in sequence from left to right Spherical aberration, astigmatism and distortion curves of the system lens group. It can be seen from FIG. 17 that the lens group of the optical image capture system of the ninth embodiment includes a first lens 910, a second lens 920, a diaphragm 900, a third lens 930, a fourth lens 940, and a first lens from the object side to the image side. Five lenses 950 , an infrared filter (IRFilter) 970 and an imaging surface 960 .

The first lens 910 is made of plastic and has positive refractive power. The object-side surface 911 of the first lens 910 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and the image-side surface 912 is convex at the near optical axis, and both are aspherical. .

The second lens 920 is made of plastic and has negative refractive power. The object-side surface 921 of the second lens 920 is convex, and the image-side surface 922 is concave, both of which are aspherical.

The third lens 930 is made of plastic and has positive refractive power. The object-side surface 931 of the third lens 930 is concave at the near optical axis, and the image-side surface 932 is convex at the near optical axis, both of which are aspherical.

The fourth lens 940 is made of plastic and has negative refractive power. The object-side surface 941 of the fourth lens 940 is concave at the near optical axis, and the image-side surface 942 is convex at the near optical axis, both of which are aspherical.

The fifth lens 950 is made of plastic and has positive refractive power. The object-side surface 951 of the fifth lens 950 is convex at the near optical axis, and the image-side surface 952 is concave at the near optical axis, and there is a change from concave to convex from the near optical axis to the periphery, and both are aspherical .

The material of the infrared filtering filter 970 is glass, and it is disposed between the fifth lens 950 and the imaging surface 960, and does not affect the focal length of the lens group of the optical image capturing system.

Please refer to Table 17 and Table 18 below.

In the ninth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions of f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan0 ₁ , tanθ ₂ and FOV are all the same as those in the first embodiment, and are not described here. To repeat.

According to Table 17, the following data can be deduced:

Although the present invention has been disclosed above in terms of implementation, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection shall be subject to what is defined in the scope of the attached patent application.

Claims (27)

1. an optical image capture system mirror group, is sequentially comprised to image side by thing side:

One first lens, have refracting power, and its thing side surface is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its surface, image side is convex surface in dipped beam axle place, and its thing side surface and surface, image side are all aspheric surface;

One second lens, have refracting power;

One the 3rd lens, have positive refracting power, and its surface, image side is convex surface in dipped beam axle place;

One the 4th lens, have negative refracting power, and its thing side surface is concave surface in dipped beam axle place, surface, image side is convex surface in dipped beam axle place; And

One the 5th lens, have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;

Wherein in this optical image capture system mirror group, lens add up to five, the image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of this surface, image side vertical optical axis, one point of contact on this tangent plane and this surface, image side, the vertical range of this point of contact and optical axis is Yc52, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition:

0.60<|Yc52/Y52|≤1.0。

2. optical image capture system mirror group as claimed in claim 1, wherein the focal length of this optical image capture system mirror group is f, and the focal length of these the first lens is f1, and the focal length of these the second lens is f2, and it meets following condition:

0<|f/f1|+|f/f2|<0.8。

3. optical image capture system mirror group as claimed in claim 1, wherein the optics effective radius of this first lens thing side surface is Y11, and it meets following condition:

0.7<|Y11/Y52|<1.2。

4. optical image capture system mirror group as claimed in claim 1, wherein the image side surface curvature radius of the 3rd lens is R6, and the thickness of the 3rd lens on optical axis is CT3, and it meets following condition:

-1.3<R6/CT3<-0.50。

5. optical image capture system mirror group as claimed in claim 1, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and the optics effective radius of this first lens thing side surface is Y11, and it meets following condition:

0.55<|Yc11/Y11|≤1.0。

6. optical image capture system mirror group as claimed in claim 5, on the thing side surface of wherein these the first lens, this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ ₁tangent value tan θ ₁, it meets following condition:

0<tanθ ₁<0.30。

7. optical image capture system mirror group as claimed in claim 1, wherein these first lens have positive refracting power.

8. optical image capture system mirror group as claimed in claim 7, wherein the abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, and it meets following condition:

25.0<V3-V4<48.0。

9. optical image capture system mirror group as claimed in claim 7, wherein the maximum visual angle of this optical image capture system mirror group is FOV, and it meets following condition:

80 degree of <FOV<115 degree.

10. optical image capture system mirror group as claimed in claim 9, the maximum distortion rate (%) in the areas imaging of wherein this optical image capture system mirror group is Dist_max, and it meets following condition:

|Dist_max|<3％。

11. optical image capture system mirror groups as claimed in claim 7, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; On the surface, this point of contact and surface, this image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ in the image side of the 5th lens ₁tangent value tan θ ₁, SAGc52/Yc52 is angle θ ₂tangent value tan θ ₂, it meets following condition:

tanθ ₁<tanθ ₂。

12. optical image capture system mirror groups as claimed in claim 7, wherein the radius-of-curvature of this first lens thing side surface is Ro1, the radius-of-curvature on this surface, the first lens image side is Ri1, the radius-of-curvature of this second lens thing side surface is Ro2, the radius-of-curvature on this surface, the second lens image side is Ri2, the radius-of-curvature of the 3rd lens thing side surface is Ro3, the radius-of-curvature of the 3rd surface, lens image side is Ri3, the radius-of-curvature of the 4th lens thing side surface is Ro4, the radius-of-curvature of the 4th surface, lens image side is Ri4, the radius-of-curvature of the 5th lens thing side surface is Ro5, the radius-of-curvature of the 5th surface, lens image side is Ri5, it meets following condition:

0<Ro1/Ri1，

0<Ro2/Ri2，

0<Ro3/Ri3，

0<Ro4/Ri4，

0<Ro5/Ri5。

13. 1 kinds of optical image capture system mirror groups, are sequentially comprised to image side by thing side:

One first lens, have refracting power, and its thing side surface is concave surface in dipped beam axle place, and its thing side surface and surface, image side are all aspheric surface;

One second lens, have refracting power;

One the 3rd lens, have positive refracting power;

One the 4th lens, have negative refracting power; And

One the 5th lens, have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;

Wherein, in this optical image capture system mirror group, lens add up to five, and the optics effective radius of this first lens thing side surface is Y11, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition:

0.7<|Y11/Y52|<1.2。

14. optical image capture system mirror groups as claimed in claim 13, wherein the surface, image side of these the first lens is convex surface in dipped beam axle place.

15. optical image capture system mirror groups as claimed in claim 14, wherein there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle in the thing side surface of these the first lens.

16. optical image capture system mirror groups as claimed in claim 14, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ ₁tangent value tan θ ₁, it meets following condition:

0<tanθ ₁<0.30。

17. optical image capture system mirror groups as claimed in claim 14, wherein the focal length of this optical image capture system mirror group is f, and the focal length of these the first lens is f1, and the focal length of these the second lens is f2, and it meets following condition:

0<|f/f1|+|f/f2|<0.8。

18. optical image capture system mirror groups as claimed in claim 17, wherein the abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, and it meets following condition:

32.0<V3-V4<48.0。

19. optical image capture system mirror groups as claimed in claim 17, wherein the thing side surface of the 4th lens is concave surface in dipped beam axle place, image side is surperficial is convex surface in dipped beam axle place.

20. optical image capture system mirror groups as claimed in claim 17, wherein the maximum visual angle of this optical image capture system mirror group is FOV, and it meets following condition:

80 degree of <FOV<115 degree.

21. optical image capture system mirror groups as claimed in claim 17, the maximum distortion rate (%) in the areas imaging of wherein this optical image capture system mirror group is Dist_max, and it meets following condition:

|Dist_max|<3％。

22. optical image capture system mirror groups as claimed in claim 13, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of this surface, image side vertical optical axis, one point of contact on this tangent plane and this surface, image side, the vertical range of this point of contact and optical axis is Yc52, this point of contact and surface, this image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ ₁tangent value tan θ ₁, SAGc52/Yc52 is angle θ ₂tangent value tan θ ₂, it meets following condition:

tanθ ₁<tanθ ₂。

23. 1 kinds of optical image capture system mirror groups, are sequentially comprised to image side by thing side:

One first lens, have refracting power, and its thing side surface is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;

One second lens, have refracting power;

One the 3rd lens, have positive refracting power;

One the 4th lens, have negative refracting power; And

One the 5th lens, have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;

Wherein, in this optical image capture system mirror group, lens add up to five, on the thing side surface of these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of this surface, image side vertical optical axis, one point of contact on this tangent plane and this surface, image side, the vertical range of this point of contact and optical axis is Yc52, this point of contact and surface, this image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ ₁tangent value tan θ ₁, SAGc52/Yc52 is angle θ ₂tangent value tan θ ₂, it meets following condition:

0<tan θ ₁<0.3; And

0<tanθ ₂<0.5。

24. optical image capture system mirror groups as claimed in claim 23, wherein the 4th lens thing side surface is concave surface in dipped beam axle place, image side is surperficial is convex surface in dipped beam axle place, and this surface, the first lens image side is convex surface in dipped beam axle place.

25. optical image capture system mirror groups as claimed in claim 23, wherein the optics effective radius of this first lens thing side surface is Y11, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition:

0.7<|Y11/Y52|<1.2。

26. optical image capture system mirror groups as claimed in claim 23, wherein the focal length of this optical image capture system mirror group is f, and the focal length of these the first lens is f1, and the focal length of these the second lens is f2, and it meets following condition:

0<|f/f1|+|f/f2|<0.8。

27. optical image capture system mirror groups as claimed in claim 23, wherein the image side surface curvature radius of the 3rd lens is R6, and the thickness of the 3rd lens on optical axis is CT3, and it meets following condition:

-1.3<R6/CT3<-0.50。